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Class Information
Number: 521/65
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Process of forming a cellular product from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer; process of preparing a latex, dispersion, or emulsion containing a solid polymer which is designed to be formed into a cellular product, or composition thereof
Description: Subject matter wherein a cellular product is produced from an aqueous latex, aqueous dispersion, or aqueous emulsion containing a solid polymer.










Sub-classes under this class:

Class Number Class Name Patents
521/67 Adding -n=c=x material to a latex, dispersion, or emulsion containing a solid polymer 40
521/68 Adding fibrous material to a latex, dispersion, or emulsion containing a solid polymer 33
521/69 Latex, dispersion, or emulsion contains an additional solid polymer-forming system 51
521/70 Latex, dispersion, or emulsion contains two or more solid polymers 64
521/71 Solid polymer is derived from a conjugated diene monomer 59
521/66 Treating a latex, dispersions, or emulsion containing a solid polymer at 32 degrees f. or below, e.g., freezing, etc. 18
521/72 Utilizing cell forming agent other than air 109


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8710111 Porous polymeric resins Apr. 29, 2014
8703834 Preparation of crosslinked organic porous particlesrelated applications Apr. 22, 2014
8664285 Composite material Mar. 4, 2014
8629193 Method for producing porous silicon molded bodies Jan. 14, 2014
8604091 Non-isocyanate spray foam Dec. 10, 2013
8598243 Macropore-containing polymer foams as insulation materials Dec. 3, 2013
8513353 Forming copolymer from bicontinuous microemulsion comprising monomers of different hydrophilicity Aug. 20, 2013
8487013 Production method of porous resin particle having hydroxyl group Jul. 16, 2013
8476326 Fibrillated polyolefin foam Jul. 2, 2013
8465582 Process for producing inorganic interconnected 3D open cell bone substitutes Jun. 18, 2013
8399530 Polymer foams Mar. 19, 2013
8377526 Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same Feb. 19, 2013
8277719 Process for the preparation of auxetic foams Oct. 2, 2012
8236431 Hollow organic pigment core binder coated paper and paperboard articles and methods for making the same Aug. 7, 2012
8227520 Emulsion composition for silicone rubber sponge, process for producing the same, and process for producing silicone rubber sponge Jul. 24, 2012
8222309 Elastomer porous material and method of producing the same Jul. 17, 2012
8217088 Use of nanoporous polymer foams as thermal insulation materials Jul. 10, 2012
8217089 Elastomer porous material and method of producing the same Jul. 10, 2012
8217090 Elastomer porous material and method of producing the same Jul. 10, 2012
8207236 Method for the production of porous particles Jun. 26, 2012
8207237 Use of nanoporous polymer foams as filter materials Jun. 26, 2012
8158691 Aqueous reinforced rubber dispersions and their use for making latex foams Apr. 17, 2012
8148439 Foamed thermoplastic resin particles and method of producing the foamed particles Apr. 3, 2012
7994230 Filling foam composition, foam filling member, and filling foam Aug. 9, 2011
7977395 Electronically and ionically conductive porous material and method for manufacture of resin wafers therefrom Jul. 12, 2011
7956147 Preparation method of hollow particle Jun. 7, 2011
7776935 Water-in-oil emulsion composition for forming silicone elastomer porous material Aug. 17, 2010
7704436 Cosmetic applicator and its production method Apr. 27, 2010
7687548 Process for preparing a moulded polyurethane material Mar. 30, 2010
7627998 Filling foam composition, foam filling member, and filling foam Dec. 8, 2009
7629049 Hemocompatible polymer systems and related devices Dec. 8, 2009
7582335 Foamed material and a method of making a foamed material Sep. 1, 2009
7579028 Aloe vera glove and its manufacturing method Aug. 25, 2009
7465765 Latex particulates with epoxide functional groups Dec. 16, 2008
7456228 Durable foam of olefin polymers, methods of making foam and articles prepared from same Nov. 25, 2008
7452920 Electronically and ionically conductive porous material and method for manufacture of resin wafers therefrom Nov. 18, 2008
7449505 Method of making porous microspheres with geometric standard deviation of 1.25 or less Nov. 11, 2008
7427321 Foamed fireproofing composition and method Sep. 23, 2008
7390844 Polymer particle stabilized by dispersant and method of preparation Jun. 24, 2008
7201962 Hemocompatible coated polymer and related one-step methods Apr. 10, 2007
7179845 Elastomeric latex foams Feb. 20, 2007
7112620 Hemocompatible polymer systems & related methods Sep. 26, 2006
7053131 Absorbent articles comprising supercritical fluid treated HIPE, I-HIPE foams and other foams May. 30, 2006
6953587 Process for making a water-soluble foam component Oct. 11, 2005
6943200 Water unstable foam compositions Sep. 13, 2005
6911484 Expanding medium, system and method for decorating surfaces Jun. 28, 2005
6900249 Durable, absorbent latex foam composition having high vertical wicking May. 31, 2005
6884829 Hemocompatible coated polymer and related one-step methods Apr. 26, 2005
6814882 Fabric coating composition with latent heat effect and a method for fabricating the same Nov. 9, 2004
6808672 Process and apparatus for coagulating and drying latex Oct. 26, 2004

1 2 3 4 5 6










 
 
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